Job Description

Role: Senior UI Developer
Type: Contract (B2B)
Duration: 6 months rolling – huge pipeline of work
Location: Warsaw office – Remote
Company: Leading Investment Bank

About the Role
We are seeking Senior Frontend Developers to join a dynamic team building front-office sales and trading applications on a cutting-edge microservices platform. You will work closely with traders and cross-functional teams to deliver high-quality, scalable solutions that drive business value.

Key Responsibilities

Develop and maintain enterprise-level frontend applications using React and TypeScript.
Collaborate within a Scrum team to deliver robust software solutions.
Translate complex business requirements into efficient, reusable code.
Implement and maintain testing frameworks (unit, integration, functional).
Provide technical direction and contribute to system architecture.
Work with backend layers (Java wrapper, WebSockets API) and run servers locally.

Tech Stack

React, TypeScript (mandatory)
AG Grid (advanced usage)
Charting libraries (e.g., Highcharts)
Testing frameworks (e.g., VTest)
Backend exposure: Java, WebSockets
Bash scripting, CSS, HTTP security (CORS)

What We’re Looking For

Minimum 5+ years of experience in frontend development.
Strong problem-solving skills and ability to work independently.
Excellent communication for cross-team collaboration.
Exposure to financial markets and risk systems is a plus.

Why Join?

Work on high-impact trading applications for a leading investment bank.
Collaborate with a global team of 100+ engineers.
Access to modern technologies and scalable deployment solutions.